# Hazard Perception Test Kit vs Theory Test Pass 4in1 Kit

The clearest difference is review sentiment: Theory Test Pass 4in1 Kit at 87% against Hazard Perception Test Kit's 20%. Theory Test Pass 4in1 Kit also leads on rating (5.0 vs 4.5) and iOS requirement (13.4 vs 15). Hazard Perception Test Kit's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (weekly vs fortnightly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hazard Perception Test Kit sells 3 one-off in-app purchases and Theory Test Pass 4in1 Kit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Theory Test Pass 4in1 Kit holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Hazard Perception Test Kit has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Hazard Perception Test Kit's written reviews are positive against 87% of Theory Test Pass 4in1 Kit's.

Hazard Perception Test Kit ships an update weekly, Theory Test Pass 4in1 Kit fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Hazard Perception Test Kit | Theory Test Pass 4in1 Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/hazard-perception-test-kit/id535111579/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/theory-test-pass-4in1-kit/id1617066091/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 20.3% of reviews | **87.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 70 MB | 26 MB |
| Requires iOS | 15 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deep River Development Ltd](https://appshunter.io/developer/489255197) | [Simply Helpful LTD](https://appshunter.io/developer/1020230264) |

## What reviewers say

### Hazard Perception Test Kit

[App page](https://appshunter.io/ios/app/hazard-perception-test-kit/id535111579)

Prepare for your UK Hazard Perception test with this app featuring 80 DVSA licensed revision videos. It includes interactive scoring, cheat detection, progress tracking, and professional explanations to help you pass your driving theory test.

**Highlights:** 80 DVSA licensed revision videos, Interactive scoring with explanations, Anti-cheating mechanism, Progress tracking, Professional explanations for improvement

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HPT Full Version | $3.99 | one-time |
| Full Hazard Perception Videos | $3.99 | one-time |
| Hazard Perception Test 4 in 1 | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Helpful for passing theory test
- 👍 Good for hazard perception practice
- 💡 Records clicks correctly
- 💡 Shows pass mark location

**What reviewers complain about**

- 🐛 Videos not loading
- 🐛 Videos not playing
- 🐛 App keeps bugging out
- 🐛 Only 2-3 videos free
- 🐛 Subscription issues

**Reported bugs**

- Videos not loading/playing
- Subscription not working/bugging out
- Paid content not unlocking
- App crashes or doesn't open
- Download errors

**Requested features**

- More free videos
- Clearer pricing for subscriptions
- Better video resolution
- Improved scoring system
- More detailed feedback after videos


### Theory Test Pass 4in1 Kit

[App page](https://appshunter.io/ios/app/theory-test-pass-4in1-kit/id1617066091)

Prepare for your UK car theory test with over 700 DVSA-approved questions, unlimited mock tests, and hazard perception training. Features include CGI clips, real-time scoring, and progress tracking to build confidence and reduce anxiety.

**Highlights:** 700+ DVSA revision questions, Unlimited mock theory tests, Hazard perception training with CGI clips, Smart progress tracker, Quick quiz and practice modes, Expert support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Subscription | $199.00 | one-time |

**What reviewers like**

- 👍 Easy to use and understand
- 🚀 Helped pass theory test first time
- 💡 Detailed explanations and progress tracking
- ✨ Informative and engaging learning experience
- 👍 Clear layout and navigation

**What reviewers complain about**

- 🐛 App freezes during practice tests
- 🐛 Loading issues and not opening
- 🐛 Login errors and app not working
- 🐛 Images and hazard perception not loading
- 🐛 Questions with pictures not loading

**Reported bugs**

- Stuck on loading screen when signing up
- App not working after login
- Practice zones freeze and restart
- App won't open after subscription
- Hazard perception test won't load

**Requested features**

- Ability to change login email
- Option to have questions read aloud


## Frequently asked questions

### Is Hazard Perception Test Kit free?

Hazard Perception Test Kit is free to download, with in-app purchases available.

### Is Theory Test Pass 4in1 Kit free?

Theory Test Pass 4in1 Kit is free to download, with in-app purchases available.

### Which has better reviews, Hazard Perception Test Kit or Theory Test Pass 4in1 Kit?

Theory Test Pass 4in1 Kit is rated higher. Hazard Perception Test Kit averages 4.5 out of 5 from 6 ratings, while Theory Test Pass 4in1 Kit averages 5.0 from 1 ratings.

### Do Hazard Perception Test Kit or Theory Test Pass 4in1 Kit have ads?

Neither Hazard Perception Test Kit nor Theory Test Pass 4in1 Kit shows ads.

### Which is updated more often, Hazard Perception Test Kit or Theory Test Pass 4in1 Kit?

Hazard Perception Test Kit ships an update weekly, and Theory Test Pass 4in1 Kit fortnightly. Most recently, Hazard Perception Test Kit was updated on November 1, 2026 and Theory Test Pass 4in1 Kit on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*